12222102122 has 32 divisors (see below), whose sum is σ = 18867527424. Its totient is φ = 5935104000.

The previous prime is 12222102083. The next prime is 12222102149. The reversal of 12222102122 is 22120122221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222102122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11628497 + ... + 11629547.

It is an arithmetic number, because the mean of its divisors is an integer number (589610232).

Almost surely, 2^12222102122 is an apocalyptic number.

12222102122 is a deficient number, since it is larger than the sum of its proper divisors (6645425302).

12222102122 is a wasteful number, since it uses less digits than its factorization.

12222102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12222102122 its reverse (22120122221), we get a palindrome (34342224343).

The spelling of 12222102122 in words is "twelve billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".